392 HUMULUS, IPOMEA. 



205. HUMULUS. 53. 98. 



lu'pulus (hop. O. g-y. Au. 4), stem twining with the sun : leaves lobed. One 

 of the best of tonics. 



fr 1. HYACINTHUS. 10. 16. 



Exotic, 

 orienta'lis (garden hyacinth, r. Ap. 4), corolla funnel- form, half 6 cleft, ven- 



tricose at the base. 



mus"cari (musk hyacinth, b. Ap. 4), corollas ovate, all equal. 

 botryafidmt (grape hyacinth, b Ap. 4), corollas globose, unHbrm : leaves cylin- 

 dric, channelled, straight. 



102. HYDRANGEA. 13. 84. 



wdga'ris (hydrangea. E. w. Au. V), leaves oblong-ovate, obtuse at the base, 

 acuminate, glabrous beneath : cymes naked. 5 f. S. 

 Hydrangea. See HORTENSIA. 

 1213. HYDRASTIS. 26. 61. 



canaAen"sis (orange root. O. w-r. Ap. 4), stem with two opposite leaves above 

 leaves petioled, emarginate at the base, palmate, serrate, gashed : peduncle 

 terminal, solitary, 1 flowered. Roots yellow. S. 



125. HYPERICUM. 20. 68. 



perfora'tum (O. y. J. 4), erect, branching ; stem 2 edged ; leaves oblong, ob- 

 tuse, transparently punctate ; panicle terminal, brachiate, leafy : petals twice 

 as long as the acute, lanceolate calyx. This is the common St. John's wort, 

 so troublesome to farmers. 1 3 f. N. 



virpin"icum (O. p. Au. 4), flowers with 9 or 12 stamens, distinctly arranged 

 in three parcels, and separated by nectaries : leaves oval, obtuse, clasping : 

 stem compressed. 1 2 S. 



61. HYPOXIS. 10. 17. 



erec"ta (star-grass. O. y . Ju. 4), pilose : scape 2 or 3 flowered : leaves lance- 

 linear : divisions of the corolla lance-oblong. Var.graminea, has longer and 

 narrower loaves ; more flowers, longer lance-linear divisions to the corolla 

 and altogether a more grassy appearance. 



41. ICTODES. 2. 7. 



fotftida (skunk cabbage, fetid hellebore. O. p. Ap. 4), stemless leaves radical, 

 heart-ovate, very large spadix supporting the flowers in a sub-globose head 

 Odour resembles that of the skunk. S. 



44. ILEX. 43. 95. 



opa'ca (evergreen holly. E. g-w. M. > ), leaves evergreen, ovate, acute, spinose 

 glabrous, flat : flowers scattered at the base of the shoots of the preceding 

 year. A middle sized tree. S. 



51. IMPATIENS. 24. 73. 



pal"lida (jewel- weed, touch-me-not. O. y. Ju. ), peduncles solitary, 2 & 4 

 flowered : nectary obtusely conic, dilated, shorter than the petals : spur re- 

 curved, very short ; flowers sparingly punctate ; leaves rhombovate, mu- 

 cronate-toothed. 2 4 f. 5. 



1610. INDIGOFERA. 32. 93. 



Exotic. 



tincto'ria (indigo. > ), leaves pinnate, oblong, glabrous, in four pairs ; racemes 

 shorter than the leaves ; legume terete, somewhat arched. From the East 

 Indies. 



172. INULA. 49. 55. 



Exotic. - 



hdefnium (elecampane, y. Au. 4), leaves clasping, ovate, rugose, tomentose be- 

 neath : scales of the calyx ovate. Naturalized. 35 f. 



51. IPOMEA. 29. 43. 

 nil (morning glory. E. b Ju. ), hirsute : leaves cordate, 3 lobed : peduncles 



short, 13 flowered : calyx very villose, long acuminate. S. 

 bananox (E. w. Ju ), very glabrous : leaves cordate, entire or angled : pe- 

 duncle 1 to 3 flowered : calyx avvned : corolla undivided, tube long. 



